Below is a list of Castleford ID zip codes. For your research we have also included Castleford Area Code, Time Zone, UTC and the local Twin Falls County FIPS Code. Each Castleford Idaho zip code has a center Longitude / Latitude point (the Castleford center is -114.87100219727 / 42.520698547363). For your convenience we have also indicated if that zip code in Castleford observes Daylight Savings time.